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Ecology Questions - All Grades

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Grade 6 Communities, Populations, and Ecosystems
Place the categories in order from smallest to largest.
  1. biosphere, ecosystem, community, population, organism
  2. organism, population, community, ecosystem, biosphere
  3. biosphere, population, ecosystem, community, organism
  4. organism, community, ecosystem, population, biosphere
Grade 4 Communities, Populations, and Ecosystems
What is an ecosystem?
  1. place where animals go eat.
  2. place where animals go to graze.
  3. community of plants and animals and the physical environment in which they live.
Grade 10 Food Chains and Webs
Most of the energy that fuels ecosystems on Earth comes from                .
  1. chemicals
  2. water
  3. sunlight
  4. bacteria
Grade 10 Food Chains and Webs
What organisms make their own food with sunlight or chemical energy?
  1. producers
  2. consumers
  3. decomposers
  4. scavengers
Grade 8 Communities, Populations, and Ecosystems
A community of organisms living together with their physical environment is a(n)                .
  1. biome.
  2. biosphere.
  3. ecosystem.
  4. atmosphere.
Grade 3 Food Chains and Webs
An herbivore is animal that eats only
  1. insects.
  2. meat.
  3. plants.
  4. plants and meat.
Grade 4 Food Chains and Webs
An animal that eats both plants and animals is a(n)
  1. herbivore.
  2. carnivore.
  3. dinosaur.
  4. omnivore.
Grade 3 Food Chains and Webs
A carnivore is an animal that eats only
  1. meat.
  2. plants.
  3. everything.
  4. fruit and meat.
Grade 4 Communities, Populations, and Ecosystems
A living thing's home is its
  1. trait.
  2. habitat.
  3. soil.
  4. food web.
Grade 5 Communities, Populations, and Ecosystems
When does an ecosystem in its best ability to support a variety of organisms?
  1. organisms share food and habitats equally.
  2. competition for food is controlled by humans.
  3. the physical-space needs of organisms are met.
  4. organisms use the parts of the ecosystem differently.
Grade 4 Communities, Populations, and Ecosystems
What is the role of an organism within its environment?
  1. factor
  2. ecosystem
  3. accommodation
  4. niche
Grade 3 Communities, Populations, and Ecosystems
An organism is any
  1. nonliving thing.
  2. individual living thing.
  3. animal that eats fruit and meat.
  4. none of the above
Grade 4 Food Chains and Webs
The way food passes from one organism to another organism in a community is a
  1. prey.
  2. predator.
  3. producer.
  4. food chain.
Grade 3 Communities, Populations, and Ecosystems
Everything that surrounds and affects a living thing is called its
  1. home.
  2. community.
  3. ecosystem.
  4. environment.
Grade 3 Biotic and Abiotic
What does biotic mean?
  1. living
  2. non-living
Grade 5 Food Chains and Webs
An example of a decomposer is
  1. bacteria.
  2. water.
  3. energy.
  4. niche.
Grade 3 Food Chains and Webs
Animals that eat other animals are called
  1. carnivores.
  2. omnivores.
  3. herbivores.
  4. prey.
Grade 5 Food Chains and Webs
Which list shows a possible order in which energy moves through an ecosystem?
  1. herbivore, carnivore, Sun, producer, decomposer
  2. Sun, producer, herbivore, carnivore, decomposer
  3. Sun, producer, predator, consumer, decomposer
  4. producer, Sun, carnivore, herbivore, decomposer
Grade 5 Food Chains and Webs
The algae at the beginning of the food chain are
  1. consumers.
  2. decomposers.
  3. producers.
  4. heterotrophs.
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